A nasal cannula typically delivers oxygen at what flow rate range?

A nasal cannula typically delivers oxygen at

Multiple choice — select the best answer

A10-15 liters per minute
B1-6 liters per minute
C20-25 liters per minute
DLess than 0.5 liters per minute

✓ Correct answer: B. 1-6 liters per minute A nasal cannula is a low-flow device delivering roughly 1-6 L/min; higher rates dry the mucosa and a mask is used instead.

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